F2FS-fs (loop5): Can't find valid F2FS filesystem in 1th superblock ================================================================================ UBSAN: shift-out-of-bounds in fs/f2fs/super.c:901:5 shift exponent 62 is too large for 32-bit type 'int' CPU: 0 PID: 1983 Comm: syz.5.394 Not tainted 5.15.168-syzkaller-00719-g101e665d55a8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1c0 lib/dump_stack.c:106 dump_stack+0x15/0x20 lib/dump_stack.c:113 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 lib/ubsan.c:321 parse_options+0x460f/0x4620 fs/f2fs/super.c:901 f2fs_fill_super+0x2e83/0x8190 fs/f2fs/super.c:4154 mount_bdev+0x282/0x3b0 fs/super.c:1400 f2fs_mount+0x34/0x40 fs/f2fs/super.c:4623 legacy_get_tree+0xf1/0x190 fs/fs_context.c:611 vfs_get_tree+0x88/0x290 fs/super.c:1530 do_new_mount+0x2ba/0xb30 fs/namespace.c:3012 path_mount+0x671/0x1070 fs/namespace.c:3342 do_mount fs/namespace.c:3355 [inline] __do_sys_mount fs/namespace.c:3563 [inline] __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3540 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3540 x64_sys_call+0x49d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f7e4b98bfba Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7e4a002e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7e4a002ef0 RCX: 00007f7e4b98bfba RDX: 0000000020000140 RSI: 0000000020000100 RDI: 00007f7e4a002eb0 RBP: 0000000020000140 R08: 00007f7e4a002ef0 R09: 0000000001018852 R10: 0000000001018852 R11: 0000000000000246 R12: 0000000020000100 R13: 00007f7e4a002eb0 R14: 000000000000552b R15: 0000000020000300 ================================================================================ F2FS-fs (loop5): Not support 1073741824, larger than 256